11 Ash Close, Carshalton, SM5 2AJ
About 11 Ash Close
11 Ash Close is a three-bedroom mid-terrace house in Carshalton (SM5 2AJ). It has a recorded floor area of 112 m² (around 1206 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (July 2025) shows a D (score 57), a step below the typical UK home. The rating has held steady at D across 2 certificates since January 2015. Between certificates, wall efficiency went from Very Poor to Poor. The recommended improvements would push it to C (score 69).
One planning record on file: an extension approved in 2021. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. At 112 m² it's 18.5% larger than the typical home in the postcode (95 m² median across 12 EPCs). Today's modelled estimate of £592,000 is 41% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£348/sq ft) was about 40.7% above the typical sold price in the postcode. Sold June 2021 for £420,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Dining roomYes
Outside
- Private gardenYes
- GarageYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Windows upgraded, improving insulation
Wall insulation improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
- Aug 2021Loft ConversionOutlineIn report
Conversion of loft space involving a dormer extension to rear with rooflights to front roofslope and erection of a single storey detached outbuilding to rear garden.
- Agent
- KLF Structural Design Ltd
Extension- Documents
- 10 docs on file
- Reference
- DM2021/01412
What's in 11 Ash Close, Carshalton, SM5 2AJ's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£592,000
Modelled from EPC, postcode comparables.
£420,000
Recorded with HM Land Registry.
Sales timeline
29 June 2021Most recent
£420,000
Median price across the last 5 sales in SM5 2AJ: £528,000 (2024–2021).
Versus other Ash Close homes
11 Ash Close is notably below the street on epc rating.
Price per m²
£3,750
Street avg £3,966
Floor Area
112 m²
Street avg 94 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.2 t/year
Street avg 4.1 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
14/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Beech Close — bus stop.
Closest school
0.3 km
Muschamp Primary School and Language Opportunity Base. 41 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
52.5dB

Night-time· 23:00 – 07:00
41.2dB







